Package com.unboundid.util.args

Class StringArgument

java.lang.Object

com.unboundid.util.args.Argument

com.unboundid.util.args.StringArgument

All Implemented Interfaces:

Serializable

@Mutable
@ThreadSafety(level=NOT_THREADSAFE)
public final class StringArgument
extends Argument

This class defines an argument that is intended to hold one or more string values. String arguments must take values. By default, any value will be allowed, but it is possible to restrict the set of values so that only values from a specified set (ignoring differences in capitalization) will be allowed.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description, String defaultValue)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description, List<String> defaultValues)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description, Set<String> allowedValues)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description, Set<String> allowedValues, String defaultValue)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, boolean isRequired, int maxOccurrences, String valuePlaceholder, String description, Set<String> allowedValues, List<String> defaultValues)	Creates a new string argument with the provided information.
StringArgument(Character shortIdentifier, String longIdentifier, String description)	Creates a new string argument with the provided information.

Method Summary

Modifier and Type	Method	Description
protected void	addToCommandLine(List<String> argStrings)	Updates the provided list to add any strings that should be included on the command line in order to represent this argument's current state.
protected void	addValue(String valueString)	Adds the provided value to the set of values for this argument.
void	addValueValidator(ArgumentValueValidator validator)	Updates this argument to ensure that the provided validator will be invoked for any values provided to this argument.
Set<String>	getAllowedValues()	Retrieves the set of allowed values for this argument, if applicable.
StringArgument	getCleanCopy()	Creates a copy of this argument that is "clean" and appears as if it has not been used in the course of parsing an argument set.
String	getDataTypeName()	Retrieves a concise name of the data type with which this argument is associated.
List<String>	getDefaultValues()	Retrieves the list of default values for this argument, which will be used if no values were provided.
String	getValue()	Retrieves the value for this argument, or the default value if none was provided.
String	getValueConstraints()	Retrieves a human-readable string with information about any constraints that may be imposed for values of this argument.
Pattern	getValueRegex()	Retrieves the regular expression that values of this argument will be required to match, if any.
String	getValueRegexExplanation()	Retrieves a human-readable explanation of the regular expression pattern that may be required to match any provided values, if any.
List<String>	getValues()	Retrieves the set of values for this argument, or the default values if none were provided.
List<String>	getValueStringRepresentations(boolean useDefault)	Retrieves a list containing the string representations of the values for this argument, if any.
protected boolean	hasDefaultValue()	Indicates whether this argument has one or more default values that will be used if it is not provided on the command line.
protected void	reset()	Resets this argument so that it appears in the same form as before it was used to parse arguments.
void	setValueRegex(Pattern valueRegex, String explanation)	Specifies the regular expression that values of this argument will be required to match, if any.
void	toString(StringBuilder buffer)	Appends a string representation of this argument to the provided buffer.

Methods inherited from class com.unboundid.util.args.Argument

addLongIdentifier, addLongIdentifier, addShortIdentifier, addShortIdentifier, appendBasicToStringInfo, getArgumentGroupName, getDescription, getIdentifierString, getLongIdentifier, getLongIdentifiers, getLongIdentifiers, getMaxOccurrences, getNumOccurrences, getShortIdentifier, getShortIdentifiers, getShortIdentifiers, getValuePlaceholder, hasLongIdentifier, hasShortIdentifier, isHidden, isPresent, isRequired, isSensitive, isUsageArgument, setArgumentGroupName, setHidden, setMaxOccurrences, setSensitive, setUsageArgument, takesValue, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 @NotNull
 String description)
               throws ArgumentException

Creates a new string argument with the provided information. It will not be required, will permit at most one value, will use a default placeholder, will not have any default value, and will not place any restriction on values that may be assigned.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

description - A human-readable description for this argument. It must not be null.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description)
               throws ArgumentException

Creates a new string argument with the provided information. There will not be any default values, nor will there be any restriction on values that may be assigned to this argument.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description,
 @Nullable
 Set<String> allowedValues)
               throws ArgumentException

Creates a new string argument with the provided information. There will not be any default values.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

allowedValues - The set of allowed values for this argument, or null if it should not be restricted.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description,
 @Nullable
 String defaultValue)
               throws ArgumentException

Creates a new string argument with the provided information. There will not be any restriction on values that may be assigned to this argument.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

defaultValue - The default value that will be used for this argument if no values are provided. It may be null if there should not be a default value.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description,
 @Nullable
 List<String> defaultValues)
               throws ArgumentException

Creates a new string argument with the provided information. There will not be any restriction on values that may be assigned to this argument.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

defaultValues - The set of default values that will be used for this argument if no values are provided.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description,
 @Nullable
 Set<String> allowedValues,
 @Nullable
 String defaultValue)
               throws ArgumentException

Creates a new string argument with the provided information.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

allowedValues - The set of allowed values for this argument, or null if it should not be restricted.

defaultValue - The default value that will be used for this argument if no values are provided. It may be null if there should not be a default value.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

StringArgument

public StringArgument(@Nullable
 Character shortIdentifier,
 @Nullable
 String longIdentifier,
 boolean isRequired,
 int maxOccurrences,
 @Nullable
 String valuePlaceholder,
 @NotNull
 String description,
 @Nullable
 Set<String> allowedValues,
 @Nullable
 List<String> defaultValues)
               throws ArgumentException

Creates a new string argument with the provided information.

Parameters:

shortIdentifier - The short identifier for this argument. It may not be null if the long identifier is null.

longIdentifier - The long identifier for this argument. It may not be null if the short identifier is null.

isRequired - Indicates whether this argument is required to be provided.

maxOccurrences - The maximum number of times this argument may be provided on the command line. A value less than or equal to zero indicates that it may be present any number of times.

valuePlaceholder - A placeholder to display in usage information to indicate that a value must be provided. It may be null if a default placeholder should be used.

description - A human-readable description for this argument. It must not be null.

allowedValues - The set of allowed values for this argument, or null if it should not be restricted.

defaultValues - The set of default values that will be used for this argument if no values are provided.

Throws:

ArgumentException - If there is a problem with the definition of this argument.

Method Details

getAllowedValues

@Nullable
public Set<String> getAllowedValues()

Retrieves the set of allowed values for this argument, if applicable.

Returns:

The set of allowed values for this argument, or null if there is no restriction on the allowed values.

getDefaultValues

@Nullable
public List<String> getDefaultValues()

Retrieves the list of default values for this argument, which will be used if no values were provided.

Returns:

The list of default values for this argument, or null if there are no default values.

getValueRegex

@Nullable
public Pattern getValueRegex()

Retrieves the regular expression that values of this argument will be required to match, if any.

Returns:

The regular expression that values of this argument will be required to match, or null if none is defined.

getValueRegexExplanation

@Nullable
public String getValueRegexExplanation()

Retrieves a human-readable explanation of the regular expression pattern that may be required to match any provided values, if any.

Returns:

A human-readable explanation of the regular expression pattern, or null if none is available.

setValueRegex

public void setValueRegex(@Nullable
 Pattern valueRegex,
 @Nullable
 String explanation)

Specifies the regular expression that values of this argument will be required to match, if any.

Parameters:

valueRegex - The regular expression that values of this argument will be required to match. It may be null if no pattern matching should be required.

explanation - A human-readable explanation for the pattern which may be used to clarify the kinds of values that are acceptable. It may be null if no pattern matching should be required, or if the regular expression pattern should be sufficiently clear for the target audience.

addValueValidator

public void addValueValidator(@NotNull
 ArgumentValueValidator validator)

Updates this argument to ensure that the provided validator will be invoked for any values provided to this argument. This validator will be invoked after all other validation has been performed for this argument.

Parameters:

validator - The argument value validator to be invoked. It must not be null.

addValue

protected void addValue(@NotNull
 String valueString)
                 throws ArgumentException

Adds the provided value to the set of values for this argument. This method should only be called by the argument parser.

Specified by:

addValue in class Argument

Parameters:

valueString - The string representation of the value.

Throws:

ArgumentException - If the provided value is not acceptable, if this argument does not accept values, or if this argument already has the maximum allowed number of values.

getValue

@Nullable
public String getValue()

Retrieves the value for this argument, or the default value if none was provided. If this argument has multiple values, then the first will be returned.

Returns:

The value for this argument, or the default value if none was provided, or null if it does not have any values or default values.

getValues

@NotNull
public List<String> getValues()

Retrieves the set of values for this argument, or the default values if none were provided.

Returns:

The set of values for this argument, or the default values if none were provided.

getValueStringRepresentations

@NotNull
public List<String> getValueStringRepresentations(boolean useDefault)

Retrieves a list containing the string representations of the values for this argument, if any. The list returned does not necessarily need to include values that will be acceptable to the argument, but it should imply what the values are (e.g., in the case of a boolean argument that doesn't take a value, it may be the string "true" or "false" even if those values are not acceptable to the argument itself).

Specified by:

getValueStringRepresentations in class Argument

Parameters:

useDefault - Indicates whether to use any configured default value if the argument doesn't have a user-specified value.

Returns:

A string representation of the value for this argument, or an empty list if the argument does not have a value.

hasDefaultValue

protected boolean hasDefaultValue()

Indicates whether this argument has one or more default values that will be used if it is not provided on the command line.

Specified by:

hasDefaultValue in class Argument

Returns:

true if this argument has one or more default values, or false if not.

getDataTypeName

@NotNull
public String getDataTypeName()

Retrieves a concise name of the data type with which this argument is associated.

Specified by:

getDataTypeName in class Argument

Returns:

A concise name of the data type with which this argument is associated.

getValueConstraints

@Nullable
public String getValueConstraints()

Retrieves a human-readable string with information about any constraints that may be imposed for values of this argument.

Overrides:

getValueConstraints in class Argument

Returns:

A human-readable string with information about any constraints that may be imposed for values of this argument, or null if there are none.

reset

protected void reset()

Resets this argument so that it appears in the same form as before it was used to parse arguments. Subclasses that override this method must call super.reset() to ensure that all necessary reset processing is performed.

Overrides:

reset in class Argument

getCleanCopy

@NotNull
public StringArgument getCleanCopy()

Creates a copy of this argument that is "clean" and appears as if it has not been used in the course of parsing an argument set. The new argument will have all of the same identifiers and constraints as this parser.

Specified by:

getCleanCopy in class Argument

Returns:

The "clean" copy of this argument.

addToCommandLine

protected void addToCommandLine(@NotNull
 List<String> argStrings)

Updates the provided list to add any strings that should be included on the command line in order to represent this argument's current state.

Specified by:

addToCommandLine in class Argument

Parameters:

argStrings - The list to update with the string representation of the command-line arguments.

toString

public void toString(@NotNull
 StringBuilder buffer)

Appends a string representation of this argument to the provided buffer.

Specified by:

toString in class Argument

Parameters:

buffer - The buffer to which the information should be appended.